[REN-BGP-stats-all] IPv4 R&E Routing Table Report - UbuntuNet Alliance (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Thu Jun 30 18:30:41 UTC 2022


IPv4 R&E Routing Table Report   18:30 GMT Thu 30 Jun, 2022

  IPv4 BGP Table (R&E) as seen at UbuntuNet Alliance.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/UbuntuNet/

Analysis Summary
----------------

BGP routing table entries examined:                               17528
    Prefixes after maximum aggregation (per Origin AS):           10204
    Deaggregation factor:                                          1.72
    Unique aggregates announced (without unneeded subnets):       11341
    Number of IPv4 prefixes with a valid ROA:                      3758
    Number of IPv4 prefixes with an invalid ROA:                      1
    Number of IPv4 prefixes with no ROA:                          13769
Total ASes present in the Internet Routing Table:                  2700
    Prefixes per ASN:                                              6.49
Origin-only ASes present in the Internet Routing Table:            2337
Origin ASes announcing only one prefix:                            1080
Transit ASes present in the Internet Routing Table:                 363
Transit-only ASes present in the Internet Routing Table:             58
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      17
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      39697
Number of 32-bit ASNs visible in the Routing Table:                 623
Prefixes from 32-bit ASNs in the Routing Table:                    1644
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    202563584
    Equivalent to 12 /8s, 18 /16s and 224 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        1673

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4680
    Total APNIC prefixes after maximum aggregation:                2293
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4681
    Unique aggregates announced from the APNIC address blocks:     2608
APNIC Region origin ASes present in the Internet Routing Table:     585
    APNIC Prefixes per ASN:                                        8.00
APNIC Region origin ASes announcing only one prefix:                257
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    232
Number of APNIC addresses announced to Internet:               46163456
    Equivalent to 2 /8s, 192 /16s and 102 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-151865
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                      7418
    Total ARIN prefixes after maximum aggregation:                 4405
    ARIN Deaggregation factor:                                     1.68
Prefixes being announced from the ARIN address blocks:             7436
    Unique aggregates announced from the ARIN address blocks:      4928
ARIN Region origin ASes present in the Internet Routing Table:     1192
    ARIN Prefixes per ASN:                                         6.24
ARIN Region origin ASes announcing only one prefix:                 436
ARIN Region transit ASes present in the Internet Routing Table:     153
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     172
Number of ARIN addresses announced to Internet:                91915008
    Equivalent to 5 /8s, 122 /16s and 131 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                      3414
    Total RIPE prefixes after maximum aggregation:                 2773
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3402
    Unique aggregates announced from the RIPE address blocks:      2765
RIPE Region origin ASes present in the Internet Routing Table:      655
    RIPE Prefixes per ASN:                                         5.19
RIPE Region origin ASes announcing only one prefix:                 300
RIPE Region transit ASes present in the Internet Routing Table:      98
Average RIPE Region AS path length visible:                         4.0
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     131
Number of RIPE addresses announced to Internet:                57846528
    Equivalent to 3 /8s, 114 /16s and 171 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-213403
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                    1275
    Total LACNIC prefixes after maximum aggregation:                529
    LACNIC Deaggregation factor:                                   2.41
Prefixes being announced from the LACNIC address blocks:           1272
    Unique aggregates announced from the LACNIC address blocks:     752
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       8.00
LACNIC Region origin ASes announcing only one prefix:                65
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               3990784
    Equivalent to 0 /8s, 60 /16s and 229 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                    735
    Total AfriNIC prefixes after maximum aggregation:               198
    AfriNIC Deaggregation factor:                                  3.71
Prefixes being announced from the AfriNIC address blocks:           735
    Unique aggregates announced from the AfriNIC address blocks:    286
AfriNIC Region origin ASes present in the Internet Routing Table:    46
    AfriNIC Prefixes per ASN:                                     15.98
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      2.5
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2647296
    Equivalent to 0 /8s, 40 /16s and 101 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         572       2140     454  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  4538         189       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         187         74     135  KREONET-AS-KR KISTI, KR
  7575         176        330     122  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         114         18      10  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         204        178     153  RISQ-AS, CA
  2152         153        507      90  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         121        329      86  AS270, US
 23024         114          7      17  OCDE, US
  2920         108         34       7  LACOE, US
 32531          91         16       1  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
     3          81        496      15  MIT-GATEWAYS, US
  1736          80         16       1  MU-AS, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         280       1966     247  DFN Verein zur Foerderung eines Deutsch
   786         187       1775     184  JANET Jisc Services Limited, GB
  8895         138         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  2614          96         27      76  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          63        583      58  FR-RENATER Reseau National de telecommu
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         157        207      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          43         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          37          2       2  Fundacao Universidade Regional de Blume
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
  3596          33          2       2  Universidad Autonoma Metropolitana, MX
 28571          33         25      14  UNIVERSIDADE DE SAO PAULO, BR

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         373        319      73  TENET-1, ZA
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          38         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
 36914          29         82       3  KENET-AS, KE
  6879          24          2       9  ENSTINET-, EG
 37182          18          8       1  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         572       2140     454  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         373        319      73  TENET-1, ZA
   680         280       1966     247  DFN Verein zur Foerderung eines Deutsch
   376         204        178     153  RISQ-AS, CA
  4538         189       4192      73  ERX-CERNET-BKB China Education and Rese
   786         187       1775     184  JANET Jisc Services Limited, GB
  1237         187         74     135  KREONET-AS-KR KISTI, KR
  7575         176        330     122  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         433          409  CSTNET-AS-AP Computer Network Information Cente
  2018         373          300  TENET-1, ZA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         138          134  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  4538         189          116  ERX-CERNET-BKB China Education and Research Net
  1916         157          114  Rede Nacional de Ensino e Pesquisa, BR
 55824         114          104  NKN-CORE-NW NKN Core Network, IN
  2920         108          101  LACOE, US
 23024         114           97  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:2       /11:1       /12:10      
/13:19      /14:35      /15:121     /16:1976    /17:393     /18:431     
/19:545     /20:821     /21:817     /22:1359    /23:1474    /24:9523    
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
  8895         133         138  ISU Internet Services Unit ISU, SA
 23024          53         114  OCDE, US
 25977          31          45  HCCS, US
 28614          31          37  Fundacao Universidade Regional de Blumenau, BR
 32440          30          45  LONI, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US
327700          28          33  MoRENet, MZ
 30220          25          26  SWTELCOOP, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:3         5:15        8:2        12:1        14:85       18:46     
  23:9        24:2        31:7        35:4        37:6        38:9      
  40:1        41:57       42:15       44:5        45:40       46:5      
  47:1        49:10       50:1        52:1        58:10       59:21     
  60:4        61:3        62:7        63:34       64:51       65:1      
  66:35       67:42       68:8        69:19       70:2        71:1      
  72:9        74:18       76:33       77:3        78:3        79:10     
  80:18       81:28       82:5        83:6        84:5        85:41     
  86:4        87:1        88:1        89:10       91:42       92:1      
  93:10       94:4        95:3        96:5        97:1        98:2      
 101:8       102:13      103:307     104:75      108:8       109:10     
 110:4       111:16      114:23      116:6       117:61      118:33     
 119:24      121:28      122:8       123:8       124:39      125:4      
 128:86      129:36      130:92      131:65      132:58      133:145    
 134:95      136:11      137:74      138:9       139:4       140:36     
 141:1       142:41      143:30      144:23      145:1       146:130    
 147:56      148:191     149:12      150:130     151:6       152:72     
 153:13      154:28      155:51      156:65      157:28      158:44     
 159:116     160:26      161:21      162:20      163:54      164:16     
 165:57      166:2       167:16      168:123     169:10      170:51     
 172:2       173:7       175:31      176:8       177:6       179:10     
 180:21      181:1       182:3       184:5       185:37      186:3      
 187:17      188:13      189:5       190:33      191:26      192:1409   
 193:307     194:143     195:86      196:160     197:5       198:464    
 199:253     200:211     201:37      202:631     203:429     204:320    
 205:165     206:185     207:164     208:66      209:114     210:181    
 211:13      212:148     213:5       216:83      217:11      218:22     
 219:12      220:15      222:6       223:4      

End of report


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